x² = 4x + 12
x² - 4x - 12 = 0
D = 16 - 4*(-12) = 16 + 48 = 64
√D = 8
x₁ = (4+8) / 2 = 6
x₂ = (4-8) / 2 = - 2
ответ: - 2; 6.
x^2=4x+12
x^2 - 4x - 12=0
D= (-4)^2 -4*1*12= 16+48=64
x= 4-8/2=-4/2=-2
x=4+8/2=12/2=6
ответ: -2; 6
x² = 4x + 12
x² - 4x - 12 = 0
D = 16 - 4*(-12) = 16 + 48 = 64
√D = 8
x₁ = (4+8) / 2 = 6
x₂ = (4-8) / 2 = - 2
ответ: - 2; 6.
x^2=4x+12
x^2 - 4x - 12=0
D= (-4)^2 -4*1*12= 16+48=64
x= 4-8/2=-4/2=-2
x=4+8/2=12/2=6
ответ: -2; 6